Peaks
Cho Oyu
France 2009 NW side expedition
Cho Oyu | 2009 NW side
A France expedition to Cho Oyu in 2009 via NW side, led by Michel Viso.
4 members recorded.
Expedition Details
Field
Value
ID
9640
Imported
2026-03-06 18:04:49.359634
Expedition ID
CHOY09120
Peak ID
CHOY
Year
2009
Season
1
Host Country
2
Route 1
NW side
Route 2
-
Route 3
-
Route 4
-
Nationality
France
Leaders
Michel Viso
Sponsor
French-Swiss Cho Oyu Expedition 2009
Success 1
False
Success 2
False
Success 3
False
Success 4
False
Ascent 1
-
Ascent 2
-
Ascent 3
-
Ascent 4
-
Claimed
False
Disputed
False
Countries
Switzerland
Approach
Lhasa->BC by Jeep
Basecamp Date
-
Summit Date
-
Summit Time
-
Summit Days
0
Total Days
0
Termination Date
-
Termination Reason
5
Termination Notes
Abandoned at 7200m due to bad conditions
High Point (m)
7200
Traverse
False
Ski
False
Paraglide
False
Camps
2
Fixed Rope (m)
0
Total Members
3
Summit Members
0
Member Deaths
0
Total Hired
2
Summit Hired
0
Hired Deaths
0
No Hired
False
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Taken
False
O2 Unknown
False
Other Summits
-
Campsites
BC,ABC,C1,C2(7200m),xxx
Route Notes
Very bad conditions on the mountain. There was not enough snow and the route was too icy. No fixed rope installed, all in all very dangerous. Samuel Vuillemez tried alone with 2 Sherpas and reached the highpoint of expedition at 7200m. They turned around because of dangerous conditions. Viso and Marc turned around earlier at 7000m. According to Marc, nobody was able to summit that season. Viso and Marc were with Pemba Sherpa and another climbing Sherpa. They spent more or less 4 weeks at the mountain, 3 weeks above BC.
Accidents
-
Achievement
-
Agency
Himalaya Expeditions
Commercial Route
True
Standard Route
True
Primary Route
False
Primary Member
False
Primary Reference
False
Primary ID
-
Checksum
3899
Year
2009
Summit Success
False
O2 Summary
None
Route (lowercase)
nw side
Members
Field
Value
ID
70292
Imported
2026-03-06 18:06:05.675609
Expedition ID
CHOY09120
Member ID
01
Peak ID
CHOY
Year
2009
Season
1
First Name
Michel
Last Name
Viso
Sex
M
Age
0
Birth Date
-
Year of Birth
1967
Calculated Age
41
Citizenship
France
Status
Leader
Residence
Gex, Ain, France
Occupation
Attorney
Leader
True
Deputy
False
Basecamp Only
False
Not to BC
False
Support
False
Disabled
False
Hired
False
Sherpa
False
Tibetan
False
Summit Success
False
Claimed
False
Disputed
False
Solo
False
Traverse
False
Ski
False
Paraglide
False
Speed
False
High Point (m)
False
Personal High Point (m)
7000
Summit Date 1
-
Summit Date 2
-
Summit Date 3
-
Summit Time 1
-
Summit Time 2
-
Summit Time 3
-
Route 1
0
Route 2
0
Route 3
0
Ascent 1
0
Ascent 2
0
Ascent 3
0
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Notes
-
Death
False
Death Date
-
Death Time
-
Death Type
0
Death Height (m)
0
Death Class
0
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
-
Member Notes
-
Necrology
-
Summit Bid
2
Summit Term
4
HCN
0
Checksum
2437685
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
michel viso
Year of Birth
1967
Year
2009
Age at Expedition
42
Role
Leader
Field
Value
ID
70293
Imported
2026-03-06 18:06:05.675609
Expedition ID
CHOY09120
Member ID
02
Peak ID
CHOY
Year
2009
Season
1
First Name
Stephane Eric
Last Name
Marc
Sex
M
Age
0
Birth Date
-
Year of Birth
1966
Calculated Age
42
Citizenship
France
Status
Climber
Residence
Civrieux-d'Azergues, Rhone, France
Occupation
Salesman
Leader
False
Deputy
False
Basecamp Only
False
Not to BC
False
Support
False
Disabled
False
Hired
False
Sherpa
False
Tibetan
False
Summit Success
False
Claimed
False
Disputed
False
Solo
False
Traverse
False
Ski
False
Paraglide
False
Speed
False
High Point (m)
True
Personal High Point (m)
7200
Summit Date 1
-
Summit Date 2
-
Summit Date 3
-
Summit Time 1
-
Summit Time 2
-
Summit Time 3
-
Route 1
0
Route 2
0
Route 3
0
Ascent 1
0
Ascent 2
0
Ascent 3
0
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Notes
-
Death
False
Death Date
-
Death Time
-
Death Type
0
Death Height (m)
0
Death Class
0
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
-
Member Notes
-
Necrology
-
Summit Bid
3
Summit Term
4
HCN
0
Checksum
-176
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
stephane eric marc
Year of Birth
1966
Year
2009
Age at Expedition
43
Role
Member
Field
Value
ID
70294
Imported
2026-03-06 18:06:05.675609
Expedition ID
CHOY09120
Member ID
03
Peak ID
CHOY
Year
2009
Season
1
First Name
Samuel
Last Name
Vuillemez
Sex
M
Age
0
Birth Date
-
Year of Birth
-
Calculated Age
0
Citizenship
Switzerland
Status
Climber
Residence
Schaffhausen, Switzerland
Occupation
-
Leader
False
Deputy
False
Basecamp Only
False
Not to BC
False
Support
False
Disabled
False
Hired
False
Sherpa
False
Tibetan
False
Summit Success
False
Claimed
False
Disputed
False
Solo
False
Traverse
False
Ski
False
Paraglide
False
Speed
False
High Point (m)
False
Personal High Point (m)
7000
Summit Date 1
-
Summit Date 2
-
Summit Date 3
-
Summit Time 1
-
Summit Time 2
-
Summit Time 3
-
Route 1
0
Route 2
0
Route 3
0
Ascent 1
0
Ascent 2
0
Ascent 3
0
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Notes
-
Death
False
Death Date
-
Death Time
-
Death Type
0
Death Height (m)
0
Death Class
0
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
-
Member Notes
-
Necrology
-
Summit Bid
2
Summit Term
4
HCN
0
Checksum
-176
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
samuel vuillemez
Year of Birth
-
Year
2009
Age at Expedition
-
Role
Member
Field
Value
ID
70295
Imported
2026-03-06 18:06:05.675609
Expedition ID
CHOY09120
Member ID
04
Peak ID
CHOY
Year
2009
Season
1
First Name
Pemba
Last Name
Sherpa
Sex
M
Age
0
Birth Date
-
Year of Birth
-
Calculated Age
0
Citizenship
Nepal
Status
H-A Worker
Residence
-
Occupation
-
Leader
False
Deputy
False
Basecamp Only
False
Not to BC
False
Support
False
Disabled
False
Hired
True
Sherpa
True
Tibetan
False
Summit Success
False
Claimed
False
Disputed
False
Solo
False
Traverse
False
Ski
False
Paraglide
False
Speed
False
High Point (m)
True
Personal High Point (m)
7200
Summit Date 1
-
Summit Date 2
-
Summit Date 3
-
Summit Time 1
-
Summit Time 2
-
Summit Time 3
-
Route 1
0
Route 2
0
Route 3
0
Ascent 1
0
Ascent 2
0
Ascent 3
0
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Notes
-
Death
False
Death Date
-
Death Time
-
Death Type
0
Death Height (m)
0
Death Class
0
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
-
Member Notes
-
Necrology
-
Summit Bid
3
Summit Term
4
HCN
0
Checksum
-176
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
pemba sherpa
Year of Birth
-
Year
2009
Age at Expedition
-
Role
Hired
4 recorded members.
References
0 recorded references.